SY8035DBC

{
  "slug": "sy8035dbc",
  "version": "0.1.0",
  "type": "component",
  "description": "Silergy Corp DC-DC Converters, DFN-10(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sy8035dbc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sy8035dbc.kicad_sym",
    "sy8035dbc.kicad_mod",
    "sy8035dbc.glb",
    "sy8035dbc.step",
    "sy8035dbc.lbr",
    "docs/hero.png",
    "docs/sy8035dbc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sy8035dbc-hero.glb",
    "sy8035dbc-hero.overlay.json",
    "sy8035dbc-etched.glb"
  ],
  "component": {
    "mpn": "SY8035DBC",
    "manufacturer": "Silergy Corp",
    "package": "DFN-10(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834426781249536",
    "parts": {
      "symbol": "sy8035dbc.kicad_sym",
      "footprint": "sy8035dbc.kicad_mod",
      "model_3d": "sy8035dbc-hero.glb",
      "model_3d_plain": "sy8035dbc-etched.glb",
      "model_3d_step": "sy8035dbc-etched.step",
      "model_3d_step_plain": "sy8035dbc.step",
      "lbr": "sy8035dbc.lbr"
    },
    "distributor_links": {
      "lcsc": "C5156479"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:32:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Phase node pin that connects to the inductor; its PCB copper area should be kept as small as possible to improve noise immunity."
      },
      {
        "number": "2",
        "name": "LX",
        "type": "output",
        "description": "Phase node pin that connects to the inductor; its PCB copper area should be kept as small as possible to improve noise immunity."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Phase node pin that connects to the inductor; its PCB copper area should be kept as small as possible to improve noise immunity."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good output that is low when the output is below 90% of the regulation voltage and high otherwise, and needs a pull-up resistor (above 100k) to the input."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable control that turns the device on when pulled high (above 1.5V) and shuts it down when below 0.4V, with an integrated 1MΩ pull-down resistor."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Output feedback input that connects to the center of the output resistor divider, with VOUT = 0.6×(1+R1/R2)."
      },
      {
        "number": "7",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start programming pin; a capacitor from this pin to ground sets the soft-start time as tSS = max(600µs, CSS×0.6V/10µA)."
      },
      {
        "number": "8",
        "name": "SVIN",
        "type": "power_in",
        "description": "Signal power input that must be decoupled to GND with at least a 1µF ceramic capacitor."
      },
      {
        "number": "9",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input (2.7V to 5.5V supply range) that must be decoupled to GND with at least a 22µF ceramic capacitor."
      },
      {
        "number": "10",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input (2.7V to 5.5V supply range) that must be decoupled to GND with at least a 22µF ceramic capacitor."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the center pad of the package is also used as GND and should be tied to a ground plane with vias underneath."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's pin table lists pin 11 as GND. Page 7 says the center pad is used as GND, but the te; KiCad ERC type for LX, PG, and SS is a judgment call. The datasheet describes LX as a phase node con; The datasheet's pin-1 identifier is shown only as a figure with two options (page 8), so the pin 1 c"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0378,
        "at": "2026-10-18T11:30:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834426781249536",
        "pages": 9,
        "sha256": "7f77345b846744a4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sy8035dbc.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sy8035dbc-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4f976d4a2133f2687683954d753f8a83677688a79a4a789c525ca8381eb3ee5f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}